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Date: Fri, 4 Feb 2011 22:59:30 +0000 (UTC)
From: "Hudson (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
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Subject: [jira] Commented: (HBASE-2824) Add a filter that randomly included
 rows based on a configured chance.
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    [ https://issues.apache.org/jira/browse/HBASE-2824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12990810#comment-12990810 ] 

Hudson commented on HBASE-2824:
-------------------------------

Integrated in HBase-TRUNK #1732 (See [https://hudson.apache.org/hudson/job/HBase-TRUNK/1732/])
    HBASE-2824  A filter that randomly includes rows based on a configured chance; Clarify test
HBASE-2824  A filter that randomly includes rows based on a configured chance


> Add a filter that randomly included rows based on a configured chance.
> ----------------------------------------------------------------------
>
>                 Key: HBASE-2824
>                 URL: https://issues.apache.org/jira/browse/HBASE-2824
>             Project: HBase
>          Issue Type: New Feature
>          Components: filters
>            Reporter: Ferdy
>            Assignee: Ferdy
>            Priority: Minor
>             Fix For: 0.92.0
>
>         Attachments: HBASE-2824-v1.patch, HBASE-2824-v2.patch
>
>
> We needed a filter that allows us to randomly include rows. I will attach a patch with a simple Filter that is able to do this.
> For example, if you wish to do a scan but only want 1/4 of all values (randomly distributed), you can use: new RandomRowFilter(0.25f)
> I just wanted to share this Filter with you. It's up to you if you want to include it in the codebase.

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